What is the cheapest airline that flies from Seoul Gimpo Intl to Seattle/Tacoma Intl?

EVA Air and Japan Airlines are the most popular carriers operating from Seoul Gimpo Intl to Seattle/Tacoma Intl

When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.

How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$465 Cheap Flights from Seoul Gimpo Intl Airport to Seattle in 2026

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Find the cheapest flights from Seoul Gimpo Intl Airport to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:00 pm - 9:31 am

GMP

SEA

36h 31m

2 stops

3:00 pm - 10:25 pm

SEA

GMP

39h 25m

2 stops

$562Multiple Airlines

Mon, Mar 2 - Thu, Jul 9

8:40 am - 2:31 pm

GMP

SEA

22h 51m

2 stops

9:55 am - 11:20 am

SEA

GMP

32h 25m

2 stops

$859Multiple Airlines

Tue, Feb 3 - Sun, Feb 8

1:50 pm - 7:30 pm

GMP

SEA

21h 40m

1 stop

1:50 am - 12:50 pm

SEA

GMP

19h 00m

1 stop

$868EVA Air

Sat, May 2 - Thu, May 7

7:40 am - 2:25 pm

GMP

SEA

22h 45m

1 stop

4:30 pm - 6:35 pm

SEA

GMP

34h 05m

1 stop

$895ANA

Tue, Jun 30 - Mon, Jul 13

12:25 pm - 7:16 pm

GMP

SEA

23h 51m

2 stops

3:45 pm - 11:20 am

SEA

GMP

26h 35m

1 stop

$897ANA

Wed, Feb 4 - Wed, Feb 25

12:25 pm - 1:20 pm

GMP

SEA

17h 55m

1 stop

3:45 pm - 11:20 am

SEA

GMP

26h 35m

1 stop

$898ANA

Tue, Feb 10 - Mon, Feb 23

12:25 pm - 1:20 pm

GMP

SEA

17h 55m

1 stop

3:45 pm - 11:20 am

SEA

GMP

26h 35m

1 stop

$905ANA

Fri, Feb 27 - Fri, Mar 6

12:25 pm - 7:16 pm

GMP

SEA

23h 51m

2 stops

9:55 am - 10:30 pm

SEA

GMP

19h 35m

2 stops

$911ANA

Wed, Feb 4 - Wed, Feb 25

7:50 pm - 1:20 pm

GMP

SEA

34h 30m

1 stop

4:30 pm - 11:05 am

SEA

GMP

26h 35m

1 stop

$912ANA

Tue, Feb 24 - Thu, Apr 16

7:45 am - 1:20 pm

GMP

SEA

22h 35m

1 stop

4:30 pm - 6:35 pm

SEA

GMP

34h 05m

1 stop

$917ANA

Mon, Jan 26 - Mon, Sep 21

ANA flights from Seoul Gimpo Intl Airport to Seattle

Our best ANA deals on Seoul Gimpo Intl Airport to Seattle flight tickets

ANA

Jun 4

GMP7:55 pmSeoul Gimpo Intl

34h 30m

1 stop

SEA2:25 pmSeattle/Tacoma Intl

Jun 10

SEA4:30 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:05 amSeoul Gimpo Intl

$895

ANA

Feb 4

GMP12:25 pmSeoul Gimpo Intl

23h 51m

2 stops

SEA7:16 pmSeattle/Tacoma Intl

Feb 25

SEA3:45 pmSeattle/Tacoma Intl

26h 35m

1 stop

GMP11:20 amSeoul Gimpo Intl

$897

ANA

Jan 16

GMP12:25 pmSeoul Gimpo Intl

17h 55m

1 stop

SEA1:20 pmSeattle/Tacoma Intl

Jan 23

SEA3:45 pmSeattle/Tacoma Intl

33h 50m

1 stop

GMP6:35 pmSeoul Gimpo Intl

$898

Japan Airlines flights from Seoul Gimpo Intl Airport to Seattle

Our best Japan Airlines deals on Seoul Gimpo Intl Airport to Seattle flight tickets

Japan Airlines

Jan 23

GMP7:40 pmSeoul Gimpo Intl

38h 07m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

Jan 31

SEA12:30 pmSeattle/Tacoma Intl

16h 35m

1 stop

GMP10:05 pmSeoul Gimpo Intl

$1,414

Japan Airlines

Jan 19

GMP7:40 pmSeoul Gimpo Intl

38h 07m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

Jan 24

SEA11:43 amSeattle/Tacoma Intl

41h 22m

2 stops

GMP10:05 pmSeoul Gimpo Intl

$1,431

Japan Airlines

Jan 23

GMP7:40 pmSeoul Gimpo Intl

38h 07m

2 stops

SEA4:47 pmSeattle/Tacoma Intl

Jan 31

SEA6:00 amSeattle/Tacoma Intl

23h 05m

2 stops

GMP10:05 pmSeoul Gimpo Intl

$1,473

momondo Fare Finder

Use the filters below to find and compare flights from Seoul Gimpo Intl Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 3/2

2:00 pm-9:31 am

2 stops36h 31m

Seattle/Tacoma Intl

Thu 7/9

3:00 pm-10:25 pm

2 stops39h 25m

$562

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 2/3

8:40 am-2:31 pm

2 stops22h 51m

Seattle/Tacoma Intl

Sun 2/8

9:55 am-11:20 am

2 stops32h 25m

$859

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Sat 5/2

1:50 pm-7:30 pm

1 stop21h 40m

Seattle/Tacoma Intl

Thu 5/7

1:50 am-12:50 pm

1 stop19h 00m

$868

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 6/30

7:40 am-2:25 pm

1 stop22h 45m

Seattle/Tacoma Intl

Mon 7/13

4:30 pm-6:35 pm

1 stop34h 05m

$895

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Wed 2/4

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

Wed 2/25

3:45 pm-11:20 am

1 stop26h 35m

$897

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 2/10

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

Mon 2/23

3:45 pm-11:20 am

1 stop26h 35m

$898

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Fri 2/27

12:25 pm-1:20 pm

1 stop17h 55m

Seattle/Tacoma Intl

Fri 3/6

3:45 pm-11:20 am

1 stop26h 35m

$905

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Wed 2/4

12:25 pm-7:16 pm

2 stops23h 51m

Seattle/Tacoma Intl

Wed 2/25

9:55 am-10:30 pm

2 stops19h 35m

$911

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Tue 2/24

7:50 pm-1:20 pm

1 stop34h 30m

Seattle/Tacoma Intl

Thu 4/16

4:30 pm-11:05 am

1 stop26h 35m

$912

SeoulSeattle

GMP - SEA

GMPSEA

Seoul Gimpo Intl

Mon 1/26

7:45 am-1:20 pm

1 stop22h 35m

Seattle/Tacoma Intl

Mon 9/21

4:30 pm-6:35 pm

1 stop34h 05m

$917

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul Gimpo Intl Airport to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Seoul Gimpo Intl Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $719. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday is the most expensive day to depart from Seoul Gimpo Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $893.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Seoul Gimpo Intl Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $753 when looking at flights departing in the evening. Flights to Seattle are more costly in the afternoon, with an average ticket price of $755. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Seoul Gimpo Intl Airport to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul Gimpo Intl Airport to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul Gimpo Intl Airport to Seattle (GMP to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul Gimpo Intl Airport to Seattle

Fastest flight time	14h 20m
Direct flights	None

The fastest flight from Seoul Gimpo Intl Airport to Seattle takes 14h 20m

There are no direct flights from Seoul Gimpo Intl Airport to Seattle. There are no popular flight routes from Seoul Gimpo Intl Airport to Seattle.

Search flight deals

How far is Seoul Gimpo Intl to Seattle/Tacoma Intl by plane?
The distance between Seoul Gimpo Intl and Seattle/Tacoma Intl is about 5173.4 mi. In terms of flight time, this usually takes a little over 14h 20m.
When did momondo last update prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport refresh daily.
How old do you have to be to fly from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seoul Gimpo Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Puyallup

Redmond

Tukwila

Cle Elum

Lakewood

Federal Way

Fife

Kirkland

Westport

Centralia

Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to Seattle?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seoul to Seattle. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seoul to Seattle with flexible booking policies on momondo?

Flights from Seoul to Seattle with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seoul to Seattle.

I’m not ready to book a flight from Seoul to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Seoul and alert you when they change.